How Does The science inside lithium-ion batteries - with the Faraday Institution Work?

Lithium-ion batteries work by moving tiny particles called lithium ions from one side to the other, like people walking through a hallway.

Imagine you have two rooms connected by a hallway: one is full of people (lithium ions), and the other is empty. When you turn on a light (like your phone or a toy), those people start walking through the hallway to the empty room. That movement creates electricity, like when you push a toy car, it moves because of your push.

Now imagine that hallway is made of something special called electrodes, and the people are moving because of something called chemical reactions. When they reach the other side, they can come back again if you turn off the light, kind of like how you walk through the hallway to go from one room to another, and then back.

This going-and-coming-back is what keeps your phone or toy working for a while before it needs to be charged again. The Faraday Institute studies these tiny movements and reactions to make batteries even better, like helping the people in the hallway walk faster or take bigger steps!